使用气体轴承的多自由度电机的结构设计与优化分析

IF 1.6 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of Electrical Engineering & Technology Pub Date : 2024-06-04 DOI:10.1007/s42835-024-01946-0
Zheng Li, Yu Liu, Song-Bo Liu, Qian-Qian Xu, He-Xu Sun
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引用次数: 0

摘要

气体轴承在电机中的应用越来越广泛,与以往的机械轴承相比,气体轴承的摩擦系数低,可优化电机性能。本文提出了一种基于传统气浮多自由度(MDOF)永磁电机的新型电机结构。该结构结合了 MDOF 电机和气体轴承。本文提出的电机模型采用球形转子外壳、半球形定子和瓦形永磁体。主要研究了不同永磁体结构和不同充磁方式的新型气浮永磁球形电机(APMSM)的电磁特性,分析了 APMSM 的气隙磁场、槽转矩、自转转矩和偏转转矩。然后,对永磁体厚度和槽配合进行了优化,并通过有限元软件对槽转矩进行了比较。最后,实验结果表明 APMSM 的电磁特性得到了显著改善。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Structural Design and Optimization Analysis of Multi-degree-of-freedom Motor Using Gas Bearing

Gas bearings are becoming more and more widely used in motors, with low coefficients of friction compared to previous mechanical bearings, optimized motor performance. For this article, a novel motor structure based on a conventional air-floating multi-degree-of-freedom (MDOF) permanent magnet motor is proposed. The structure combines a MDOF motor with a gas bearing. The motor model proposed in this paper uses a spherical rotor shell, a hemispherical stator and a tile-shaped permanent magnet. The electromagnetic characteristics of the novel air-floating permanent magnet spherical motor (APMSM) with different permanent magnet (PM) structures and different magnetization methods are mainly studied, and the air gap magnetic field, slot torque, self-turn torque and deflection torque of the APMSM are analyzed. Then, the permanent magnet thickness and the groove fit were optimized, and the groove torque was compared by finite element software. Finally, the experimental results show that the electromagnetic properties of APMSM are significantly improved.

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来源期刊
Journal of Electrical Engineering & Technology
Journal of Electrical Engineering & Technology ENGINEERING, ELECTRICAL & ELECTRONIC-
CiteScore
4.00
自引率
15.80%
发文量
321
审稿时长
3.8 months
期刊介绍: ournal of Electrical Engineering and Technology (JEET), which is the official publication of the Korean Institute of Electrical Engineers (KIEE) being published bimonthly, released the first issue in March 2006.The journal is open to submission from scholars and experts in the wide areas of electrical engineering technologies. The scope of the journal includes all issues in the field of Electrical Engineering and Technology. Included are techniques for electrical power engineering, electrical machinery and energy conversion systems, electrophysics and applications, information and controls.
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